assembly tomorrow, iranian president ahmadinejad. that the 10:30 a.m. eastern, live on c-span. >> the first debate between presidential candidates mitt romney and barack obama is next wednesday, october 3. watch and engage with c-span, including our live debate preview, starting at 7:00 p.m. eastern, followed by the domestic policy debate at 9:00. after the debate, your reactions and comments, calls, e-mail, and tweets. a follow our coverage on c-span, c-span radio, and c-span.org. >> the supreme court upheld most of president obama as health care law earlier this year, but oklahoma's attorney-general has a new legal challenge to the law of focusing on penalties for employers to do not provide health insurance.